Final answer:
The nurse assistant should clean the blades of the electric razor with a cleaning brush after shaving a resident.
Step-by-step explanation:
After shaving a resident with his own electric razor, the nurse assistant should clean the blades of the razor with a cleaning brush. Electric razors can harbor bacteria and it is essential to clean the blades thoroughly to prevent infection. Soaking the razor in a disinfectant solution or applying lotion to the skin is not enough to ensure proper hygiene.
Learn more about proper hygiene for using electric razors